diff options
Diffstat (limited to 'test/SemaCXX/attr-cxx0x.cpp')
| -rw-r--r-- | test/SemaCXX/attr-cxx0x.cpp | 45 |
1 files changed, 30 insertions, 15 deletions
diff --git a/test/SemaCXX/attr-cxx0x.cpp b/test/SemaCXX/attr-cxx0x.cpp index 4281895..e9276cd 100644 --- a/test/SemaCXX/attr-cxx0x.cpp +++ b/test/SemaCXX/attr-cxx0x.cpp @@ -1,32 +1,47 @@ -// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s +// RUN: %clang_cc1 -fsyntax-only -fcxx-exceptions -verify -pedantic -std=c++11 %s int align_illegal alignas(3); //expected-error {{requested alignment is not a power of 2}} char align_big alignas(int); -int align_small alignas(1); // FIXME: this should be rejected +int align_small alignas(1); // expected-error {{requested alignment is less than minimum}} int align_multiple alignas(1) alignas(8) alignas(1); +alignas(4) int align_before; struct align_member { int member alignas(8); + int bitfield alignas(1) : 1; // expected-error {{}} }; +void f(alignas(1) char c) { // expected-error {{'alignas' attribute cannot be applied to a function parameter}} + alignas(1) register char k; // expected-error {{'alignas' attribute cannot be applied to a variable with 'register' storage class}} + try { + } catch (alignas(4) int n) { // expected-error {{'alignas' attribute cannot be applied to a 'catch' variable}} + } +} + + template <unsigned A> struct alignas(A) align_class_template {}; -// FIXME: these should not error -template <typename... T> alignas(T...) struct align_class_temp_pack_type {}; // expected-error{{pack expansions in alignment specifiers are not supported yet}} -template <unsigned... A> alignas(A...) struct align_class_temp_pack_expr {}; // expected-error{{pack expansions in alignment specifiers are not supported yet}} +template <typename... T> struct alignas(T...) align_class_temp_pack_type {}; +template <unsigned... A> struct alignas(A...) align_class_temp_pack_expr {}; +struct alignas(int...) alignas_expansion_no_packs {}; // expected-error {{pack expansion does not contain any unexpanded parameter packs}} +template <typename... A> struct outer { + template <typename... B> struct alignas(alignof(A) * alignof(B)...) inner {}; + // expected-error@-1 {{pack expansion contains parameter packs 'A' and 'B' that have different lengths (1 vs. 2)}} +}; +outer<int>::inner<short, double> mismatched_packs; // expected-note {{in instantiation of}} -typedef char align_typedef alignas(8); -template<typename T> using align_alias_template = align_typedef; +typedef char align_typedef alignas(8); // expected-error {{'alignas' attribute only applies to variables, data members and tag types}} +template<typename T> using align_alias_template = align_typedef alignas(8); // expected-error {{'alignas' attribute cannot be applied to types}} -static_assert(alignof(align_big) == alignof(int), "k's alignment is wrong"); -static_assert(alignof(align_small) == 1, "j's alignment is wrong"); -static_assert(alignof(align_multiple) == 8, "l's alignment is wrong"); +static_assert(alignof(align_big) == alignof(int), "k's alignment is wrong"); // expected-warning{{'alignof' applied to an expression is a GNU extension}} +static_assert(alignof(align_small) == 1, "j's alignment is wrong"); // expected-warning{{'alignof' applied to an expression is a GNU extension}} +static_assert(alignof(align_multiple) == 8, "l's alignment is wrong"); // expected-warning{{'alignof' applied to an expression is a GNU extension}} static_assert(alignof(align_member) == 8, "quuux's alignment is wrong"); static_assert(sizeof(align_member) == 8, "quuux's size is wrong"); -static_assert(alignof(align_typedef) == 8, "typedef's alignment is wrong"); static_assert(alignof(align_class_template<8>) == 8, "template's alignment is wrong"); static_assert(alignof(align_class_template<16>) == 16, "template's alignment is wrong"); -// FIXME: enable these tests -// static_assert(alignof(align_class_temp_pack_type<short, int, long>) == alignof(long), "template's alignment is wrong"); -// static_assert(alignof(align_class_temp_pack_expr<8, 16, 32>) == 32, "template's alignment is wrong"); -static_assert(alignof(align_alias_template<int>) == 8, "alias template's alignment is wrong"); +static_assert(alignof(align_class_temp_pack_type<short, int, long>) == alignof(long), "template's alignment is wrong"); +static_assert(alignof(align_class_temp_pack_expr<8, 16, 32>) == 32, "template's alignment is wrong"); +static_assert(alignof(outer<int,char>::inner<double,short>) == alignof(int) * alignof(double), "template's alignment is wrong"); + +static_assert(alignof(int(int)) >= 1, "alignof(function) not positive"); // expected-warning{{invalid application of 'alignof' to a function type}} |
